Solve the System of Equations by the Substitution Method $$\begin{array} { l } y = 2 x - 6 \\y = 7 x - 7\end{array}$$

question 54

Multiple Choice

Solve the system of equations by the substitution method.
- $$\begin{array} { l } y = 2 x - 6 \\y = 7 x - 7\end{array}$$

• A) \(\{ ( 1 , - 4 ) \}\)
• B) \(\left\{ \left( \frac { 1 } { 5 } , - \frac { 28 } { 5 } \right) \right\}\)
• C) \(\left. \left\{ - \frac { 28 } { 5 } , \frac { 1 } { 5 } \right) \right\}\)
• D) \(\varnothing\)

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